10101001010 has 16 divisors (see below), whose sum is σ = 19251319896. Its totient is φ = 3802729728.

The previous prime is 10101000961. The next prime is 10101001037. The reversal of 10101001010 is 1010010101.

It can be written as a sum of positive squares in 4 ways, for example, as 7740304441 + 2360696569 = 87979^2 + 48587^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 10101000985 and 10101001003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29708657 + ... + 29708996.

Almost surely, 2^10101001010 is an apocalyptic number.

10101001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101001010 is a deficient number, since it is larger than the sum of its proper divisors (9150318886).

10101001010 is a wasteful number, since it uses less digits than its factorization.

10101001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59417677.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 10101001010 its reverse (1010010101), we get a palindrome (11111011111).

Subtracting from 10101001010 its reverse (1010010101), we obtain a palindrome (9090990909).

The spelling of 10101001010 in words is "ten billion, one hundred one million, one thousand, ten".